38 



THE AMERICAN NATURALIST [Vol. XLIV 



1. Common to Fort Union (Kocene), Intermediate 

 and Lamar. 



Sequoia langsdorfii (Brgt.). Said to go down to 



the Laramie ( Cretaceous). 

 Juglans rugosa Lx. Goes down to the Laramie. 

 Castanea pulchella Kn. 

 Ficus densifolia Kn. 



Lauras califomica Lx. Also auriferous gravels 

 of California. 



Laurus grandis Lx. (not Wallich). Also aurif- 

 erous gravels of California. 



Pintail us guillelmte Gopp. Perhaps also Laramie. 



Aralia not at a Lx. Also Denver beds. 



* Eleeodendron polymorphic Ward. 



2. Common to Fort Union and Intermediate. 



Equisetum canaUculatum Kn. Perhaps also in the 

 Lamar. 



